ATE470811T1 - MOTOR VEHICLE TRANSMISSION - Google Patents

MOTOR VEHICLE TRANSMISSION

Info

Publication number
ATE470811T1
ATE470811T1 AT07425797T AT07425797T ATE470811T1 AT E470811 T1 ATE470811 T1 AT E470811T1 AT 07425797 T AT07425797 T AT 07425797T AT 07425797 T AT07425797 T AT 07425797T AT E470811 T1 ATE470811 T1 AT E470811T1
Authority
AT
Austria
Prior art keywords
engagement
shift fork
neutral position
abutment surface
axial abutment
Prior art date
Application number
AT07425797T
Other languages
German (de)
Inventor
Marco Garabello
Giancarlo Osella
Attilio Porta
Gianluigi Pregnolato
Sara Sottano
Original Assignee
Fiat Ricerche
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fiat Ricerche filed Critical Fiat Ricerche
Application granted granted Critical
Publication of ATE470811T1 publication Critical patent/ATE470811T1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
    • F16H61/682—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings with interruption of drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19251—Control mechanism
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20085—Restriction of shift, gear selection, or gear engagement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20177—Particular element [e.g., shift fork, template, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Lens Barrels (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The gearbox comprises a "single", engagement sleeve (114; 116) movable between a neutral position and an engagement position for engagement of a given gear (VI; R), and a shift fork (14; 16) operatively connected to the engagement sleeve (114; 116) for controlling the displacement thereof between the neutral position and the engagement position. The shift fork (14; 16) is slidably mounted on a stationary support rod (32), which is provided with a pair of bushes (154, 156) defining a first axial abutment surface (162) for stopping the movement of the shift fork (14; 16) in the direction from the neutral position to the engagement position and a second axial abutment surface (164) for stopping the movement of the shift fork (14; 16) in the direction from the engagement position to the neutral position. The neutral position of the shift fork (14; 16) is axially spaced (E) from the second axial abutment surface (164).
AT07425797T 2007-12-18 2007-12-18 MOTOR VEHICLE TRANSMISSION ATE470811T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07425797A EP2072868B1 (en) 2007-12-18 2007-12-18 Motor-vehicle gearbox

Publications (1)

Publication Number Publication Date
ATE470811T1 true ATE470811T1 (en) 2010-06-15

Family

ID=39332218

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07425797T ATE470811T1 (en) 2007-12-18 2007-12-18 MOTOR VEHICLE TRANSMISSION

Country Status (5)

Country Link
US (1) US8397598B2 (en)
EP (1) EP2072868B1 (en)
CN (1) CN101487527B (en)
AT (1) ATE470811T1 (en)
DE (1) DE602007007106D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048876A1 (en) * 2009-10-09 2011-04-14 Schaeffler Technologies Gmbh & Co. Kg switching device
US9371907B2 (en) * 2012-12-13 2016-06-21 Eaton Corporation Shift rail inhibitor mechansim for a transmission
US9663137B2 (en) 2013-06-05 2017-05-30 Nsk Ltd. Guide bush and rack-and-pinion steering gear unit
WO2018042457A1 (en) * 2016-08-31 2018-03-08 Mahindra And Mahindra Limited Manual auxiliary transmission actuation mechanism
CN110985664A (en) * 2019-12-16 2020-04-10 西安法士特汽车传动有限公司 Hydraulic gear shifting structure, gear shifting method and transmission

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1395993A (en) * 1921-04-29 1921-11-01 Argus Motoren Gmbh Operating mechanism for power-driven vehicles
NL239031A (en) * 1958-05-10
USH295H (en) * 1981-10-22 1987-07-07 Toyota Jidosha Kabushiki Kaisha Shift fork support structure in a manual transmission
JP3209010B2 (en) * 1994-09-14 2001-09-17 三菱自動車工業株式会社 Shift control mechanism of manual transmission
FR2762659B1 (en) * 1997-04-25 1999-06-25 Peugeot SLIDING GEARBOX FORK AND ARRANGEMENT OF THIS FORK ON A SOLIDARITY AXIS OF A SHEET FORK
DE19921623A1 (en) * 1999-05-10 2000-11-16 Schaeffler Waelzlager Ohg Low drag gearshift linkage has an axially fixed bearing between the gearchange stops and the gear selector shaft
DE10008872A1 (en) * 2000-02-25 2001-08-30 Schaeffler Waelzlager Ohg Transmission device for selection/gear change movements in change speed gears consists of selector fork as actuator, and carrier with internal supporting roller bearing
US7040190B2 (en) * 2001-12-14 2006-05-09 A.M.S.E.A. Inc. Laminated shift fork assembly
DE502004001405D1 (en) * 2003-11-28 2006-10-19 Schaeffler Kg Pressure-medium-operated switching device of a step change gearbox
WO2005073602A1 (en) * 2004-01-29 2005-08-11 Magna Drivetrain Ag & Co Kg Gearbox comprising a displaceable shift fork and an actuator
JP2006029441A (en) * 2004-07-15 2006-02-02 Nissan Motor Co Ltd Position detecting device of shift fork
EP1832786B1 (en) 2006-03-06 2008-01-23 CRF Societa'Consortile per Azioni Gear shift fork
DE602006011922D1 (en) 2006-12-04 2010-03-11 Fiat Ricerche Transmission with six or more forward gears for a vehicle gearshift with single or double clutch
DE602006011924D1 (en) * 2006-12-11 2010-03-11 Fiat Ricerche Transmission for a motor vehicle
EP2053283B1 (en) * 2007-10-24 2010-08-18 C.R.F. Società Consortile per Azioni Gear selector fork for a motor vehicle gearbox
EP2053284B1 (en) * 2007-10-24 2010-04-28 C.R.F. Società Consortile per Azioni Motor vehicle gearbox

Also Published As

Publication number Publication date
CN101487527B (en) 2013-01-23
EP2072868B1 (en) 2010-06-09
US8397598B2 (en) 2013-03-19
US20090151496A1 (en) 2009-06-18
DE602007007106D1 (en) 2010-07-22
CN101487527A (en) 2009-07-22
EP2072868A1 (en) 2009-06-24

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Legal Events

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